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Description

Descriptions

  • Three Flute Countersink 90°, DIN 335
  • Countersinking / Counterboring screw holes
  • For Countersunk screws acc. to DIN 963, 964, 965, 966, 7513, 7516
  • For Countersunk screws acc. to ISO 2009, 2010, 7046-1, 7046-2, 7047
  • Chamfering of tapping holes

Features

  • For use in machine applications
  • Type N - For non-ferrous, Type UNI - For difficult to machine materials

Specifications

  • Designation: N
  • Material: High Speed Steel-Cobalt
  • Finish: Bright
  • Shank Tolerance: h9
  • Standard: DIN 335
  • Point Type: 90°

Applications

  • Optimal for Steel - Non-alloy, cast & free cutting (~ 0.15 %C)- 125 HB
  • Optimal for Steel - Non-alloy, cast & free cutting (~ 0.45 %C)- 190 HB
  • Optimal for Steel - Non-alloy, cast & free cutting (~ 0.45 %C)- 250 HB
  • Optimal for Steel - Non-alloy, cast & free cutting (~ 0.75 %C)- 270 HB
  • Optimal for Steel - Low alloy & cast < 5% of alloying elements- 180 HB
  • Optimal for Steel - Low alloy & cast < 5% of alloying elements- 275 HB
  • Optimal for Stainless Steel – Austenitic- 180 HB
  • Optimal for Stainless Steel – Duplex- 250 HB
  • Optimal for Cast Iron, Grey (GG) - Ferritic / Pearlitic- 180 HB
  • Optimal for Cast Iron, Nodular (GGG) - Ferritic- 160 HB
  • Optimal for Cast Iron, Nodular (GGG) – Pearlitic- 250 HB
  • Optimal for Aluminum & Magnesium, wrought alloy - Non Heat Treatable- 60 HB
  • Optimal for Aluminum & Magnesium, wrought alloy - Heat Treatable- 100 HB
  • Optimal for Aluminum & Magnesium, cast alloy ≤12% Si - Non Heat Treatable- 75 HB
  • Optimal for Aluminum & Magnesium, cast alloy ≤12% Si - Heat Treatable- 90 HB
  • Optimal for Copper & Copper alloys (Brass/Bronze) - Free cutting, Pb > 1 – 110 HB
  • Optimal for Cast Iron – Chilled – 400 HB

Specifications

  • AIMS SKU A0002676
  • Brand Sutton Tools
  • Model Number C1070840
  • Barcode Number 9311963436739
  • Countersink Diameter (mm) 8.4
  • Overall Length (mm) 50
  • Shank (mm) 6
  • Screw Head M4
  • Group Code C107
  • Barcode Sutton-C107
  • Type Three Flute Countersink
  • System of Measurement DIN 335
  • Material High Speed Steel Cobalt (HSS Co5%)
  • Finish Bright
  • Shank Tolerance h9
  • Point Angle 90°
  • Purpose Countersinking,Counterboring,Deburring
SKU: A0002676

Sutton C1070840 8.4mm 90° Countersink Bit Three Flute DIN - Cobalt Steel

Sutton Tools 90° Three Flute Countersink Drill Bits DIN

$43.92
RRP $48.31
SAVE $4.39 (9%)

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